1240 Bass Trombones

The XO 1240 independent valve bass trombone is the perfect combination of traditional, professional brass instrument manufacturing with computer-aided and highly specialized production processes. Optimum response and resonance in a consistently superior instrument.

Independent Valve System

The independent valve system allows for a variety of extra valve combinations. (Image Model: 1240L)

The Gold-plated Rotary Channel

The gold-plated rotary channel is anti-corrosion. You may now make less effort on maintaining. (Image Model: 1240L-T)

Interchangeable Leadpipes

The interchangeable leadpipes allow players to personalize their playing experience. We offer three different leadpipes:
-Yellow brass, length 220 mm: Our standard leadpipe, less resistance for players that prefer an open, free-blowing feel
-Yellow brass, length 260 mm: Provides that little extra resistance for better slotting and articulation
-Sterling silver, length 220 mm: Same dimensions as our standard leadpipe, offers solid fundamentals and a clear attack

Removable Counterweight System

The specially designed three-piece balance/counterweight system can be installed or removed with a threaded cap easily. It allows the performers to balance their instruments and offers a better playing experience.The performers can decide whether to use the counter weight system depending on their personal preferences.

1240 1240L 1240L-T 1240RL 1240RL-T
Key Bb/F/Gb/D Bb/F/Gb/D Bb/F/Gb/D Bb/F/Gb/D Bb/F/Gb/D
Bore Size 0.571" 0.571" 0.571" 0.571" 0.571"
Bell Size 9.5" 9.5" 9.5" 9.5" 9.5"
Bell Material Yellow Brass/Rose Brass Yellow Brass Yellow Brass Rose Brass Rose Brass
Outer Slide Yellow Brass Yellow Brass Yellow Brass Yellow Brass Yellow Brass
Leadpipe Detachable with nickel silver mouthpiece receiver
1. Yellow Brass, Length 260mm
2. Yellow Brass, Length 220mm
3. Sterling Silver, Length 220mm
Detachable with nickel silver mouthpiece receiver
1. Yellow Brass, Length 260mm
2. Yellow Brass, Length 220mm
3. Sterling Silver, Length 220mm
Detachable with nickel silver mouthpiece receiver
1. Yellow Brass, Length 260mm
2. Yellow Brass, Length 220mm
3. Sterling Silver, Length 220mm
Detachable with nickel silver mouthpiece receiver
1. Yellow Brass, Length 260mm
2. Yellow Brass, Length 220mm
3. Sterling Silver, Length 220mm
Detachable with nickel silver mouthpiece receiver
1. Yellow Brass, Length 260mm
2. Yellow Brass, Length 220mm
3. Sterling Silver, Length 220mm
Valve Dual Independent Rotary/Thayer Dual Independent Rotary Dual Independent Thayer Dual Independent Rotary Dual Independent Thayer
Wrap Open Open Open Open Open
Finish Lacquered Lacquered Lacquered Lacquered Lacquered
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